The following dojos are officially registered Affiliate Members of the Ryu World Aikido Federation. They are registered with the Aikido Yoshinkai Foundation (AYF) and follow the Yoshinkan syllabus as set by the Yoshinkan Honbu Dojo; its grade ranking and testing procedures.
Aikido Oyamada Dojo
- HEAD INSTRUCTOR: Takayuki Oyamada
- INSTRUCTOR: Yoshihiro Oyamada
- INSTRUCTOR: Ichiro Ebihara